Zerify Defender for Mac is compatible with macOS 10.12 (Sierra) - macOS 13 (Ventura).
First, download the latest version of Zerify Defender for Mac from the following page:
https://www.zerify.com/dl/zd/mac/
Open the downloaded "zdsetup" .dmg file, then open the ZerifyDefender.pkg file as shown in the example image below:
If the installer asks you for permission to run a program, you must select Allow.
Next, proceed through the installer menus by clicking Continue until you are prompted for permission to install new software as seen in the example image below:
You must authenticate at this step, then click Install Software.
Once the installation has finished, the installer will show the following success menu:
You can now close the installer and learn more about activating and using Zerify Defender by visiting the following help page: